/************************************
*  Copyright (C) 2010 Julien MOTTIN.
*  Contact: julien.mottin@gueydan.eu
*
*  This file is part of Gueydan.
*
*  Gueydan is free software: you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation, either version 3 of the License, or
*  (at your option) any later version.
*
*  Gueydan is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with Gueydan.  If not, see <http://www.gnu.org/licenses/>.
*
*************************************/
#ifndef COLOR_H
#define COLOR_H

// Color coeffs
const static double CCoeffSRM       = 1.0;
const static double CCoeffEBC       = 0.508;
const static double CCoefLovibond   = 1.3546;
const static double CShiftLovibond  = -0.76;

// Handled Units
enum ColorUnit
{
    SRM = 0,
    EBC,
    Lovibond
};

class QString;

class Color
{
public:

    // Standard POD Class
    Color(const double iColor = 0.0, const ColorUnit iUnit=SRM);
    Color(const Color &iC);
    Color & operator=(const Color &iC);
    ~Color();

    // Operators
    bool operator==(const Color &iC) const;
    bool operator!=(const Color &iC) const;
    bool operator<(const Color &iC) const;
    bool operator<=(const Color &iC) const;
    bool operator>(const Color &iC) const;
    bool operator>=(const Color &iC) const;

    // Converter
    double Value(const ColorUnit iUnit=SRM) const;
    void FromString(const QString &iString, bool *OK=0);

private:

    // Internal data
    double _Value;  // in SRM
};

#endif // COLOR_H
